xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/mlx5e: Add tc flower tracepoints

Browse Source 
Implemented following tracepoints:
1. Configure flower (mlx5e_configure_flower)
2. Delete flower (mlx5e_delete_flower)
3. Stats flower (mlx5e_stats_flower)

Usage example:
 ># cd /sys/kernel/debug/tracing
 ># echo mlx5:mlx5e_configure_flower >> set_event
 ># cat trace
    ...
    tc-6535  [019] ...1  2672.404466: mlx5e_configure_flower: cookie=0000000067874a55 actions= REDIRECT

Added corresponding documentation in
    Documentation/networking/device-driver/mellanox/mlx5.rst

Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Dmytro Linkin
2019-06-27 10:55:02 +00:00
committed by Saeed Mahameed
parent 95435ad799
commit 7a978759b4
6 changed files with 179 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
Documentation/networking/device_drivers/mellanox/mlx5.rst
View File

@@ -12,6 +12,7 @@ Contents
- `Enabling the driver and kconfig options`_
- `Devlink info`_
- `Devlink health reporters`_
- `mlx5 tracepoints`_
Enabling the driver and kconfig options
================================================
@@ -219,3 +220,34 @@ User commands examples:
$ devlink health dump show pci/0000:82:00.1 reporter fw_fatal
NOTE: This command can run only on PF.
mlx5 tracepoints
================
mlx5 driver provides internal trace points for tracking and debugging using
kernel tracepoints interfaces (refer to Documentation/trace/ftrase.rst).
For the list of support mlx5 events check /sys/kernel/debug/tracing/events/mlx5/
tc and eswitch offloads tracepoints:
- mlx5e_configure_flower: trace flower filter actions and cookies offloaded to mlx5::
$ echo mlx5:mlx5e_configure_flower >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
tc-6535 [019] ...1 2672.404466: mlx5e_configure_flower: cookie=0000000067874a55 actions= REDIRECT
- mlx5e_delete_flower: trace flower filter actions and cookies deleted from mlx5::
$ echo mlx5:mlx5e_delete_flower >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
tc-6569 [010] .N.1 2686.379075: mlx5e_delete_flower: cookie=0000000067874a55 actions= NULL
- mlx5e_stats_flower: trace flower stats request::
$ echo mlx5:mlx5e_stats_flower >> /sys/kernel/debug/tracing/set_event
$ cat /sys/kernel/debug/tracing/trace
...
tc-6546 [010] ...1 2679.704889: mlx5e_stats_flower: cookie=0000000060eb3d6a bytes=0 packets=0 lastused=4295560217